Mercury Outboard Bad Pencil Coil Symptoms

I notice that my outboard motor tends to stumble or misfire when accelerating under load if the spark plug gap is greater than the specified or recommended spark plug gap. The severity of the symptoms vary according to which of the ignition coils are failing. Mercury must have had warrantee issues due to inadequate fuel system rigging, citing that their powerhead mounted water separator was adequate; which it was. This is a 1979. When your outboard starts right up, keeps running with throttle applied in neutral, but shuts down the moment you come back to idle speed in neutral, the issue is likely to be a sticky or broken AIS (automatic idle speed) valve. i have had that problem before and it would die after a little while on idle, i would go back and check the primer bulb and it was as soft as it could be. It's a 150 HP V6, two stroke, and it's kinda hard to start, but again, it runs like a raped ape when working properly. Car misfires often caused by spark plugs, ignition boot. Earning a Mercury Premier Service rating means a dealer: • Achieves a high 12‑month service Customer Satisfaction Index (CSI) score for warranty service. FREE LIFETIME WARRANTY FREE SHIPPING. com FREE DELIVERY possible on eligible purchases. This week, I started to get the initial symptom of a coil going bad on me: Occasional stuttering in the engine. As the fuel filter gets dirty, the fuel pump works much harder. The top spark plug is dry and kind of a grayish/tan color and the bottom one is wet an a little darker when I pull them out. Here you will find a selection of RSS feeds and blog entries. Maintenance on these engines is relatively straightforward,. We are Australian owned and operated and supply aftermarket outboard spare parts to the recreational and commercial boating industry. Keep your boat operating at peak efficiency by replacing a faulty coil. Fuel pressure regulator problem symptoms and the diagnosis Like any other mechanical equipment, the fuel pressure regulator can also fail, leading to many problems. OE quality MARINE replacement part (NOT a generic car part) Meets or exceeds OE Mercury specifications; Replaces Mercury / Mariner part number 339-880615T01. 5hp thru 40hp. There are many reasons why an engine won't start. MERCURY WATER SEPARATING FUEL FILTER. some of the early carbed 3. Troubleshooting Ignition Problems on a Mercury Outboard By Cleveland Van Cecil ; Updated April 12, 2017 Mercury Marine is an international motor boat company based in Lake Forest, Illinois, providing motors for private, commercial and government craft. Later model Tracker Valves are brownish/red in color. Nothing is set in stone, of course, but a cheap fix is always preferable to an expensive repair bill. ;DThis is funny, did your manual tell you that! Even though you were a smart --- to me, I'll help you out a little. MerCruiser Inboard Starter Service & Repair 2001-2006 5. If your outboard motor will not fire or runs hard -- chugs and lurches -- test the resistance of the coil using a voltmeter. Mercury Check Engine Light Codes. I check continuity between wires from ground under coil and groumd where cdi is and i have continuity. The TPS connects to the throttle plate on the throttle body. The list of symptoms and possible causes below should help you get a better idea of what's causing your engine to act up. An ohmeter is powered by an internal battery that applies a small voltage to circuit or component and measures how much current flows through the circuit or component. Check for a clogged air filter or problem in the fuel system or engine management system. The failed or weak ignition coil symptoms may vary depending on the severity of the ignition coil failure. Outboard motor electronics are sometimes troublesome, particularly since major systems like the power pack may control everything from instrumentation to the timing and synchronization of the motor. O2 SENSOR The O2 sensor is installed in the exhaust manifold only when the O2 feedback operation is performed. go and look for cracks in the bulb or around the hose, sounds like it could be sucking some air i am not an outboard mechanic or anything but i have had my share of fuel line problems. Learn more about Champion spark plugs for boats , find your boat part , or find where to buy your boat part today. Troubleshooting tips: Bad ignition coil symptoms, ignition coil replacement, Mariner ignition coil, Mercury ignition coil, Mariner ignition coil testing, Mercury coil, Mariner ignition parts, coil test for Mercury Mariner outboards, Mercury ignition switch wiring. Free shipping in the continental US on most orders. There are many reasons why an engine won't start. The mower was probably made by MTD or Murray but I'm not having any luck finding out who made it. How to Troubleshoot the Ignition System in a Mercury Villager. i know its been a long time since this thread has been posted on but if you could, could you give me a update on if you got it to work and what you did? thanks. If you are not mechanically inclined, its time to head to the mechanic. Modern outboard engines have come a long way, whether you're talking about the now-common four-stroke or modern DFI motors. When it gets bad enough, the arc will occur first even though the spark plug has been restored to normal firing condition. Symptoms Of A BAD Ignition Coil. Inlet needle 31. How to Diagnose Injector or Coil Fault on a Mercury Optimax 150 HP Outboard Engine - Duration: 10:21. This Site is best viewed in IE7 or newer and Firefox 3 or newer. There are some common bad spark plug symptoms. The coil has really not failed. Idols excellent. Use the tachometer once installed to get a feel for the "full open throttle" level of your boat per your boat engine's manual. Mercury & Mariner 25 HP Ignition Parts. lose a coil and you lose one bank of cylinder spark. How to test a outboard ignition coil with a multi meter. I have a 1996 Johnson 90 V4 VRO outboard. after running some new. When energized by the turning ignition switch ON, it forms the circuit which supplies battery voltage to the ECM, injector, ignition coil, IAC valve, CMP sensor and high pressure fuel pump. The ignition module of your vehicle is the heart of your entire ignition system. Re: Old Mercury XR4 150 hp problems need some advice please « Reply #10 on: November 02, 2013, 08:44:59 PM » I have a 95 150 merc and it would take forever to get on plane and lost a lot of speed, I thought it was fuel but later found out it was my ECM that was bad?. So yes, a bike will run, even very good, with a faulty stator but I believe it was the pickup and not the coils that was causing my problem. Remove the hose and run a piece of wire or mono through it to unclogg. Symptoms: Dry sooty deposits indicate a rich mixture or weak ignition. When it gets bad enough, the arc will occur first even though the spark plug has been restored to normal firing condition. Start with removing the air duct intake and its different connections and engine wiring harness from your vehicle. He still has to hook the engine up to his computer to make sure, but he said he has replaced several of these and the symptoms are identical. When a solid-state device in the electric ignition disrupts the current suddenly, it's referred to as breaker points. Symptoms: Dry sooty deposits indicate a rich mixture or weak ignition. Bad performance; pingging noise in motor are symptoms of bad gas in a vehicle. So you need to conduct some tests. Re: Old Mercury XR4 150 hp problems need some advice please « Reply #10 on: November 02, 2013, 08:44:59 PM » I have a 95 150 merc and it would take forever to get on plane and lost a lot of speed, I thought it was fuel but later found out it was my ECM that was bad?. Resistance tests are for verifying that the units are bad, after they have failed the input/output tests. Mercury has a thing going on about the coil problems they have had-They are replacing all 6 coils on motors that come in with a bad coil-My #2 went out when boat was brand new-About a month ago my #6 went out and Mercury told dealer to replace all 6 coils. Maintenance and fuel related issues are the main cause for engine performance problems on the Optimax engines. If there's still a weak or no spark, then the ignition coils are obviously bad. Re: Bad power pack or coil symptoms? (5basslimit) I think you posted you have checked the compression already, Now you need to warm the motor, (with water of course) remove all the spark plugs and reinsert them back into the plug boots, lay the plugs against the headsDO NO TOUCH. Mercury must have had warrantee issues due to inadequate fuel system rigging, citing that their powerhead mounted water separator was adequate; which it was. This Site is best viewed in IE7 or newer and Firefox 3 or newer. OE quality MARINE replacement part (NOT a generic car part) Meets or exceeds OE Mercury specifications; Replaces Mercury / Mariner part number 339-880615T01. When your outboard starts right up, keeps running with throttle applied in neutral, but shuts down the moment you come back to idle speed in neutral, the issue is likely to be a sticky or broken AIS (automatic idle speed) valve. "Mercury Mariner Outboard 40/50/55/60 2-stroke Service Manual" manual can be saved to any computer hard drive, flash storage, burned to a CD or DVD ROM or any other digital media. I have a 1984 75 HP Mercury outboard motor, it runs good when it’s out of the water, BUT when there is a load behind it, in the water is bogs down and dies. ) For the past few years he has been dealing with a chronic problem with the outboard and I thought I would try and help him by getting a few recommendations from people on this site. FREE LIFETIME WARRANTY FREE SHIPPING. I check continuity between wires from ground under coil and groumd where cdi is and i have continuity. SUBSCRIBE! This is how to diagnose and replace a bad outboard coil pack. Below are 7 symptoms of a bad fuel injector that you can recognize early on. Your outboard stator is the "powerhouse" of your outboards ignition system. Free Same Day Store Pickup. Easily find your stainless or aluminum prop with our PropFinder. Below you will find the most complete list of Mercury trouble codes available. Find Fuel Pump Diaphragm Kit - 857005A1 here. This is where diagnostics with a DVA gets economical, both in money and time. I remove plugs, turns engine over, replace with clean dry plugs and it runs well again for a while. Resistance problems. Converting Your Outboard's Unregulated Charging System. universal ignition switch wiring diagram page 1 iboats re universal ignition switch wiring diagram you are probably looking at ignition switches for an i o outboard switches require more and different ignition coil troubleshooting tips for mercury & mariner mercury mariner ignition coil diagrams coil packs and repair manuals troubleshooting tips. I think I wrote this message just last week! Same motor, same problem, same symptoms. This means that the ECM primarily looks at the engine's speed and the intake manifold's air density in order to calculate the correct amount of fuel to inject. By clicking close you agree to use the site as is. Prices include shipping in the continental US. Re: What are the symptoms of a bad coil? A bad coil can go in and out and cause power surges when you get spark on the dead cylinder. A coil is composed of a primary and a secondary circuit. NEW aftermarket 4-Stroke Mercury / Mariner marine outboard pencil coil stick. The other possible item is a failing coil or low voltage from some bad connection. Like the title says, 1999 50 HP Merc 2-stroke losing power at wide open throttle. Turn the ign. I have replaved the fuel pump, filter, plugs, wires, crank sensor, TPS, IAC, and the coil pack. O2 SENSOR The O2 sensor is installed in the exhaust manifold only when the O2 feedback operation is performed. Here you will find a selection of RSS feeds and blog entries. There > still isn't any spark. I have a Tohatsu 6hp 4 stroke for a few years without any problems at all, however, my one year old Mercury 3. The engine can’t start even after several attempts. 35- 18458Q 3 Water separating fuel filter with the black screw‑in sensor. But it's just a matter of time before it won't crank and I'll have to repeat the cycle. We offer best services and distributors of boat engines,all our outboard Engine are Used and brand new original,working perfect in good conditions. The code definitions are a good starting point when determining the cause of the service engine light but where do you go from there?. Please let us know. Common issues such as the IAC failures, total power loss, coil driver failures, fuel pump staying on and many others can now be repaired saving you. Check that lower unit isn't clogged with mud diver. The mower was probably made by MTD or Murray but I'm not having any luck finding out who made it. Fuel Line Connector : The fuel line connectors are the old standard Mercury bayonet type, with the one on the motor recessed in the front of the motor's lower cowling. It provides high voltage to the spark plug. Power pack, stator, timerbase, regulator. Check the gap on all the spark plugs. The Thunderbolt Ignition system was designed by Mercury Marine. But it's just a matter of time before it won't crank and I'll have to repeat the cycle. I took it to my merc mechanic, and,1000$ later, he told us that he thinks it was the reed valves. 9 & 15 hp outboards 1974 – 1992 (Engine Troubleshooting) I am sure that sometime you may acquire a motor, or be asked to help with one that has sat for some time. Mercury Check Engine Light Codes. 3 & 6 Cylinder. There are four distinct phases in a four-stroke cycle: induction, compression, power, and exhaust. A reading of OL means an open circuit or break in the electrical path. The issue only seems to happen when boat is first starting up. Sorry, the site you requested has been disabled. Plug em up, check voltage from stator, check voltage from trigger, check voltage coming out of CDI. 1L motors would start losing charge coil output voltage and cause random plug fouling. If a coil quits, you will have a misfire and it will cause a bad vibration as the engine has to overcome the compression drag of a bad cylinder. Turn the lawn mower's ignition switch on and pull the rope to spin the flywheel. Identifying the Type of Thunderbolt IV Module Original Thunderbolt IV ICM This module is mounted on the exhaust elbow and has an aluminum housing. Save on Boat Parts for Outboards & Sterndrives from Seiler Marine. How to test a outboard ignition coil with a multi meter. I have an 1974 85HP Johnson that is very difficult to start. Outboard runs rough 7. By clicking close you agree to use the site as is. Whipple Superchargers, the performance technology people, can now repair many of the 2001 to 2018 model year Motorola 555 ECM and PCM's used on the Mercury Marine and Mercury Racing engines. Mercury & Mariner 25 HP Ignition Parts. 9 & 15 hp outboards 1974 - 1992 (Engine Troubleshooting) I am sure that sometime you may acquire a motor, or be asked to help with one that has sat for some time. '76-up charge coils are measured from ground (black Wire if present) to red and blue wires. There can be different ways to do it, however, depending on the engine size. A highly toxic form (methylmercury) builds up in fish, shellfish and animals that eat fish. I have replaced the thermostat and water pump. This Site is best viewed in IE7 or newer and Firefox 3 or newer. The other possible item is a failing coil or low voltage from some bad connection. 39 minutes ago, Hatem said: Do you boat this lake? No we vacation here we boat on Lake Ontario. A method of checking [if such a device (or bad fuel) is a problem source] is to operate. How to Tell if You Have a Faulty Coil Pack - CarsDirect 1-888-227-7347. Optional upgrade 518-88. MerCruiser 39670A28 Shift Interrupt Engine Cut-Out Kill Switch 140hp 4. Features: AEM’s Coil-On-Plug (COP) B-series Conversion Kit is the perfect ignition upgrade for naturally-aspirated or boosted B-Series engines that do not exceed 15 PSI of boost. Check the gap on all the spark plugs. Your Mercury OptiMax gets its performance and great fuel economy from the design of its Direct Fuel Injection System (DFI). > lead from the coil to the distributer and still did not see any activity > from the coil. However, more problems should be expected when you get into a bigger high-performance outboard like the Blackmax I have. If you find about 1. Probably the first thing you'll notice is the oil pressure gauge or the warning light reading very low or coming on when the car is fully warmed and idling like at a traffic light. It's function is to reduce pulses produced by both the fuel and air pumps. Common issues such as the IAC failures, total power loss, coil driver failures, fuel pump staying on and many others can now be repaired saving you. I have replaced the thermostat and water pump. It's a 150 HP V6, two stroke, and it's kinda hard to start, but again, it runs like a raped ape when working properly. Re: Bad power pack or coil symptoms? (5basslimit) I think you posted you have checked the compression already, Now you need to warm the motor, (with water of course) remove all the spark plugs and reinsert them back into the plug boots, lay the plugs against the headsDO NO TOUCH. Early model Tracker valves were green. Features: AEM’s Coil-On-Plug (COP) B-series Conversion Kit is the perfect ignition upgrade for naturally-aspirated or boosted B-Series engines that do not exceed 15 PSI of boost. Converting Your Outboard's Unregulated Charging System. 7 ohms) for a high output coil (3 ohms +/-10%). Spark plug wires or other conductors are not used between the coils and the plugs. However, there is one coil for each spark plug in a direct ignition system. Your Mercury OptiMax gets its performance and great fuel economy from the design of its Direct Fuel Injection System (DFI). we carry 2-4 strokes outboard engines from 5HP to 350HP of different brands such as Johnson,Evinrude,Yamaha,Honda,Suzuki,Tohatsu outboards and many more. It's usually something simple. I took it to my merc mechanic, and,1000$ later, he told us that he thinks it was the reed valves. Here you will find a selection of RSS feeds and blog entries. com offers 122 lihua ignition coil products. Of the coils connects to a module, it could be bad. Mercury Grand Marquis Throttle Position Sensors May Fail and Cause Engine Performance Problems - 76 reports. 2000 50Hp Yamaha 2-Stroke Problems The other thing is this could be a bad coil also. How to Diagnose Injector or Coil Fault on a Mercury Optimax 150 HP Outboard Engine - Duration: 10:21. But it's just a matter of time before it won't crank and I'll have to repeat the cycle. Pencil Coil for Mercury Outboards - replacement Mariner Verado 4 stripe Pencil Coil - replaces part # 339-880615T01 - meets or exceeds OEM specifications Pencil Coil for Mercury Outboards Brand New aftermarket pencil coil for 4 stroke Mercury Outboards. The information has been obtained from actual Unit analysis, parts manuals, and other sources. Outboard engines need a strong spark to provide the heat required for ignition of the fuel. The lines were full of that lining. If 12 volts is present, remove the coil spark wire from the distributor and connect it to a spark gap tester to ground. About 1% of these are steel sheets, 1% are machinery engine parts, and 1% are tool parts. syptoms of a bad cdi box? i haev just recentally rebuilt top to bottom my yz 250 evry thing is done and it has no power band nothing on top we have strped it down completly 4 times split cases every thing pipe is clean rejetted chanched needel postion main jet anything u can think of but nothing can it be the cdi please help my mechanic is. Most Mercury Outboard Ignition systems use a red Wire and/or red/white stripe for the high speed charge coil, and blue and/or blue/white stripe for the low speed change coil. Such as it may start at 700 rpm and then when you cut the motor off and fish and the restart the motor it may start at 1200-1400 rpms. I have replaved the fuel pump, filter, plugs, wires, crank sensor, TPS, IAC, and the coil pack. 4172A1 4172A3 C# 332-4172 Mercury 1970's Switch Box 40 (400) HP 2 cyl 1 YEAR WTY. You can test the Mercury power pack in either one of two ways; one method requires you to use a multimeter, to test the power pack directly. A flare (hard to see) toward the plug (or ground) shows correct polarity while a flare toward the coil shows reversed polarity. Mercury & Mariner 25 HP Ignition Parts. on our outboard there are 3 trggers unger the flywheel as well as the stator. Ignition Coil for Johnson, Evinrude, Mercury, Mariner For use on Mercury, Chrysler and Force Outboard engines For Use On Engine Models: Chrysler, Force 1992-95 40/50 E000001-E138599 1991-95 70 E000001-E138599 1991-95 90. 35- 18458Q 3 Water separating fuel filter with the black screw‑in sensor. First half of video is how to replace a coil pack and the second half is how to diagnose a bad coil pack. Fits up to 5/8 inch panel thickness. His symptoms were that the 1979 9. LOLLot of good info and discussion about the switch boxes and idle stabilizer functions. Then you can get the injector replaced before any serious damage is done to your engine. There are two simple tests of engine compression that will separate good running outboards from worn machines. The first problems were associated with gas that gummed up in the carb. Some motor designs are easier to work on than others and the engineers at Mercury apparently drink a different water. You want to see a sharp blue spark. When on dry land with the ear muffs on, a couple of seconds worth of cranking and brooooommmm!. ;DThis is funny, did your manual tell you that! Even though you were a smart --- to me, I'll help you out a little. Honda BF 90hp 4 stroke outboard ignition coil 2 and 3 30550-ZW1-010 See more like this Honda BF 225hp 4 stroke outboard ignition coil/ pencil coil 30520-ZY3-003 Pre-Owned. Discussion in ' Outboards ' started by willyyes , Mar 25, 2011. Here I’ll address several symptoms of a bad fuel pressure regulator. The top spark plug is dry and kind of a grayish/tan color and the bottom one is wet an a little darker when I pull them out. The problem has yet to be root caused. Well, if you eliminated the bent prop scenario, a coil is an ignition part. But if the flywheel key is in good condition, try disconnecting the kill wires from the ignition coils and see if the coils produce a spark. Engine Surging Can Be an Early Warning Sign of Ignition Problems Engine surging is usually a warning sign that your car or truck is having combustion problems. 9 & 15 hp outboards 1974 – 1992 (Engine Troubleshooting) I am sure that sometime you may acquire a motor, or be asked to help with one that has sat for some time. Many folks on vwvortex. As you read above this is assuming you have checked the basics, you know, gas is on, gas in the tank, choke is on. Since 1968, West Marine has grown to over 250 local stores, with knowledgeable Associates happy to assist. Cdi is grounded where the tors brain was mounted in the screw that held the tors brain. 0 mercruiser wiring diagram 2,5 liter mercruiser boat motor overheating 200 mercruiser outboard starter replacement. Remove the white/green lead from the dist. Symptoms of Bad or Failing Points & Condenser. 35- 18458Q 3 Water separating fuel filter with the black screw‑in sensor. What Are the Signs of a Bad Ignition Module? Symptoms of a bad ignition module are sudden engine stalling or power loss while the car is in motion, engine stuttering accompanied by a smell of gasoline and an inability to restart the engine following a stall. Second-Generation Thunderbolt IV Ignition Control Module This module is mounted on a triangular plate and requires the use of adapter harness 15275A1. Must be something they added in later models. If there is electricity going into the CDI and coming out everywhere except for the spark end, and your test light shows no voltage on the wire going to the ignition coil, then the only logical conclusions would be that either the CDI unit is bad because it's not passing voltage to the primary side of the ignition coil or the magnetic pickup. Fits Mariner/Mercury 4-STROKES: 75 EFI. Prices include shipping in the continental US. Most Mercury Outboard Stators perform two important functions 1. I have a Tohatsu 6hp 4 stroke for a few years without any problems at all, however, my one year old Mercury 3. Where the water pees out of the motor sometimes gets clogged. com/public/mz47/ecb. Turn the ign. How to Troubleshoot the Ignition System in a Mercury Villager. Hey guys, questions for you outboard wizards regarding low pressure fuel pumps Here's the situation: ran down to the rockpile yesterday (1 YT in boat, 1 released ), boat ran great on the way down. Service Note: A bad power connection to the ignition or battery charging system can be found by connecting the Black lead on the meter to the power connection of the ignition system or charging system; then working your way. Part alone $2500. Mercury 150 4 Stroke Outboard The Mercury 150 4 stroke has not been in my market for years. See the difference that we provide to every customer. Scroll down to the bottom for more info. There are 3 "normal" causes for ignition coil failure. Remote Starter for Mercury. Outboard motors are designed to provide years of trouble-free operation, and nothing spoils a weekend outing like one that will not run properly. This is a 1979. The lines were full of that lining. 3 Maintaining Johnson/ Evinrude 9. I just pulled the coil. This means that the ECM primarily looks at the engine's speed and the intake manifold's air density in order to calculate the correct amount of fuel to inject. An absence of spark will require replacement of the ignition coil. The later ones have COPs. In addition to the test above, you may elect to perform an ignition coil resistance check as confirmation of the coil's condition. 5L engines) Trigger out Trigger out The breaks in the magnets cannot be seen due to the metal cover. A direct ignition system is similar to a distributorless ignition system. Hg (7 kPa) maximum at idle rpm, 3000, full throttle and back at idle rpm. Analyzing Outboard Breakdowns. Step 3: The ignition coil boot is a small cylinder that connects your spark plug wires from ignition coil. it could be a slight crack or weathering in the bulb or the hose. If the reading drops to below 0. Hello, Sorry in advance for the long thread. One was bad from the get go. Also how many pins are on each coil? 2,3 or 4? Diagram shows 2. Maintenance and fuel related issues are the main cause for engine performance problems on the Optimax engines. Part alone $2500. Order the correct Coils or CDMs for your motor. I have a 1996 Johnson 90 V4 VRO outboard. I got it changed there a few months ago and shortly thereafter my car started to overheat and the heater stopped working. Re: What are the symptoms of a bad coil? A bad coil can go in and out and cause power surges when you get spark on the dead cylinder. If an oil-filled coil. The Check Engine light will flash repeatedly or stay on solid on the dash. Home Boat Design Forums > Design > Propulsion > Outboards > Mercury 70 hp bogs down at full throttle. universal ignition switch wiring diagram page 1 iboats re universal ignition switch wiring diagram you are probably looking at ignition switches for an i o outboard switches require more and different ignition coil troubleshooting tips for mercury & mariner mercury mariner ignition coil diagrams coil packs and repair manuals troubleshooting tips. FYI: The stator coil generates the power for the spark plug and other accessories on small engines Without a stator there would be no spark at all, meaning the engine won't run. Outboard motor electronics are sometimes troublesome, particularly since major systems like the power pack may control everything from instrumentation to the timing and synchronization of the motor. 5 hp, which is a Tohatsu with a Mercury label, went wrong after few months and was cutting out when hot, the problem was the cdi ignition which was eventually replaced by the dealers and now its fine. DFI Tracker Valve/Diaphram The Tracker Valve is mounted on the Starboard. Learn about this problem, why it occurs, and how to fix it. I remove plugs, turns engine over, replace with clean dry plugs and it runs well again for a while. Factory Original, Brand New, OEM Mercury Outboard Pencil Coil. Highly recommended. Easily find your stainless or aluminum prop with our PropFinder. Some people often prefer to take their vehicle to a professional for. However, more problems should be expected when you get into a bigger high-performance outboard like the Blackmax I have. This Site is best viewed in IE7 or newer and Firefox 3 or newer. 4172A1 4172A3 C# 332-4172 Mercury 1970's Switch Box 40 (400) HP 2 cyl 1 YEAR WTY. Learn about the symptoms, sources, diagnosis and treatment for heavy metal poisoning and toxicity. Since 1968, West Marine has grown to over 250 local stores, with knowledgeable Associates happy to assist. The first problems were associated with gas that gummed up in the carb. Rectifier testing and troubleshooting. We offer the most-complete line of outboard power, for fishing boats and speed boats, for pontoons and tenders, for work and for play. Troubleshooting Mercury Outboard Battery CD ignitions ***** This information is supplied as a service guide only and Outboardparts. The Thunderbolt Ignition system was designed by Mercury Marine. My 2008 90 HP FourStroke does not have this ground strap on any of the coils. I have replaced the thermostat and water pump. OE quality MARINE replacement part (NOT a generic car part) Meets or exceeds OE Mercury specifications; Replaces Mercury / Mariner part number 339-880615T01. Learn the common symptoms of a bad coil pack, how to test one, and the advantages of coil packs over distributors. syptoms of a bad cdi box? i haev just recentally rebuilt top to bottom my yz 250 evry thing is done and it has no power band nothing on top we have strped it down completly 4 times split cases every thing pipe is clean rejetted chanched needel postion main jet anything u can think of but nothing can it be the cdi please help my mechanic is. Part alone $2500. If you find about 1. Check out free battery charging and engine diagnostic testing while you are in store. How to connect merc CDS diag to optimax 2010 Mercury Optimax problems Mercury Optimax 75 HP warning beeps symptoms of a bad ecm 225 verado alarm mercury pro xs alarms. Premium JetSki Plus brand 4-Stroke Mercury / Mariner marine outboard pencil coil stick. Mercury evaluates the service performance of its dealers and assigns its highest rating of "Mercury Premier" to those demonstrating an exceptional commitment to service. Shop Wholesale Marine for Cdm Module Assy, Mercury - Mercruiser 827509T-7. recommended. They have the correct spark plugs per the owner's manual. Check the gap on all the spark plugs. Replaces: Mercury 827509T7 Outboard Ignition Coils Outboard Ignition Coils Feature: • Premium grade copper windings for high energy output, longer spark duration • Our ignition coils are designed to provide optimum performance with the original ignition systems • Exact OEM fit 9-23102 Ignition Coil Replaces: Johnson/Evinrude 584477 9-23103. There wasn't much of a range available to choose from. Car Care: Take cars that misfire regularly to a repair shop, where mechanics should check for bad spark plugs or an ignition boot failure. When problems do arise. Original Factory Mercury Marine Ignition Coils and CDM's. Top 25 Reasons Your Boat's Engine Won't Start. After a long time it would restart, giving the thought that a coil may be going bad. What Are the Symptoms of a Bad Coil Pack? Symptoms of a bad coil pack include rough engine idling, misfiring, lack of power during acceleration, gasoline odor emanating from the exhaust system and illumination of the check engine light. Offering discount prices on OEM Mercury Marine parts for over 45 years. The ignition coil takes this AC voltage and steps it up to more than 10,000 volts and connects it to the spark plug through the spark plug's wire. Then you can get the injector replaced before any serious damage is done to your engine. While a stator is dying, it can produce a weak spark, causing the engine to miss or run poorly. The later ones have COPs. Two sets of these were on Grady-White 272 Sailfish, and another on a Pursuit 2855. Some water does come out the outlet tube, but not as much as used to when it was new. The motor has been fouling out one of the two spark plugs. 6L 4 stroke Verado. Delphi GN10168 Ignition Coil 4. The STATOR is an important part of the electrical system, both from an ignition and charging aspect. Fuel Mix : The fuel gasoline to oil mix should be the normal 50-1 of 87 octane gasoline and TCW-3 outboard marine oil. Really BAD gas mileage. Perhaps member sosmerc can shed some light as to why they added the ground strap. Outboard runs rough 7. Re: Old Mercury XR4 150 hp problems need some advice please « Reply #10 on: November 02, 2013, 08:44:59 PM » I have a 95 150 merc and it would take forever to get on plane and lost a lot of speed, I thought it was fuel but later found out it was my ECM that was bad?. Shop, read reviews, or ask questions about Power Packs at the official West Marine online store. Used to replace the boat-side harness for engine testing, Fits most Mercury engines 1979 to 2000. So finally we have ignition coils feeding power to the spark plugs. 3 ohms resistance between the primary terminals, or slightly lower (maybe 2. Coil pack = two or three coils in one assembly that fire four to six cylinders. by Ranger Bill (Steilacoom, WA) 2003 Trophy 2302 with 200 HP EFI Mercury saltwater outboard -- running along today at 32 mph on Puget Sound when boat suddenly lost power (kept running, no engine alarm noises) -- now the boat continues to run but won't plane -- anyone have any ideas on what could have gone wrong?. *Denotes individual Electric Outboard Service Manuals that are no longer available, order 90-16777A-1 Electric Outboard Set.
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